From owner-freebsd-questions Wed Jan 30 23:44:35 2002 Delivered-To: freebsd-questions@freebsd.org Received: from guru.mired.org (dsl-64-192-6-133.telocity.com [64.192.6.133]) by hub.freebsd.org (Postfix) with SMTP id 95B7137B4D3 for ; Wed, 30 Jan 2002 23:40:24 -0800 (PST) Received: (qmail 1870 invoked by uid 100); 31 Jan 2002 07:39:52 -0000 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15448.62664.514402.924224@guru.mired.org> Date: Thu, 31 Jan 2002 01:39:52 -0600 To: "C J Michaels" Cc: Subject: RE: Softupdates ( why not to use on / fs ) In-Reply-To: References: <15448.34219.325331.975819@guru.mired.org> X-Mailer: VM 6.90 under 21.1 (patch 14) "Cuyahoga Valley" XEmacs Lucid X-face: "5Mnwy%?j>IIV\)A=):rjWL~NB2aH[}Yq8Z=u~vJ`"(,&SiLvbbz2W`;h9L,Yg`+vb1>RG% *h+%X^n0EZd>TM8_IB;a8F?(Fb"lw'IgCoyM.[Lg#r\ From: "Mike Meyer" X-Delivery-Agent: TMDA/0.44 (Python 2.2; freebsd-4.5-RC-i386) Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG C J Michaels types: > Mike Meyer bestowed this upon us: > <...snip...> > > I think the real reason that softupdates is disabled on root is that > > there has been a history of kernel installs failing in that > > configuration. Softupdates can cause the space occupied by a deleted > > file to not become available for as much as 30 seconds after the > > delete happens. If you are tight on space on root, this can make > > removing the kernel and a bunch of kld's and then copying new ones > > into place fail. > Wouldn't a sync(8) between the delete(s) and the write(s) solve this > problem? or is it just way past my bed time again? :) One would think so, but it doesn't seem to work. Even the old "sync three times" trick didn't work. http://www.mired.org/home/mwm/ Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message